Is your HVAC system not working properly? Tired of constant repairs and short-term patches? Get rid of the trouble and connect with experienced technicians at Air Doctor. We are a leading company specializing in repair, installation and maintenance of air conditioning and HVAC in Frederick, Maryland. Our team comprises manufacturer-trained technicians who use high-tech tools and innovative techniques. Full Address: 6115 Appletown Rd, Boonsboro, MD. 21713 Phone: 301-799-7200